... Dust Hip Deep on Phobos . ... Landing on the Martian Moon Phobos might be harder than previously thought. The reason: Moon dust. ... Galileo Demonstrates the Telescope . ... Upon hearing at age 40 that a Dutch optician had invented a glass that made distant objects appear larger, Galileo crafted his own telescope and turned it toward the sky. Star Trails in Northern Skies . ... Crater Copernicus . ... One of the more prominent craters on the Moon is named Copernicus. ... A Cluster Too Far . ...